Command Line 6.3

3.126. untrim command

Description: This command removes cutting loops of the selected surfaces.

Inline mode usage:

  • untrim -h: Displays the help file that summarizes the parameters for this command.
  • untrim –s <name> -p indexCurve1 indexCurve2: Removes cutting loops of the surface <name>.

Interactive mode usage:

  • Invocation: untrim
  • Parameters:
    • The surface that will have its cutting loops removed.
    • The selected trimmed curves to remove their loops


We can use the untrim operation to undo a previous trim operation. To demonstrate this, let’s take the example used for the trim command:

Trimmed surface


To undo the previous trim, the user needs to enter the untrim command in the command line, select the surface and press Enter.


Select one NURBS surface to untrim (Press enter when done):

Press enter to remove all trim curves or select the curves to remove their loops (Press enter when done):


Untrimmed surface


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